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<div id="projectname">createrepo_c library
 <span id="projectnumber">0.7.4</span>
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<div id="projectbrief">C library for metadata manipulation</div>
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<a href="#nested-classes">Data Structures</a> |
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<div class="title">Useful thread function to use in GThreadPool.</div> </div>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structcr___compression_task.html">cr_CompressionTask</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structcr___repomd_record_fill_task.html">cr_RepomdRecordFillTask</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ga0b2998f915c4354fa4689ebf2b59bd12"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structcr___compression_task.html">cr_CompressionTask</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__threads.html#ga0b2998f915c4354fa4689ebf2b59bd12">cr_compressiontask_new</a> (const char *src, const char *dst, <a class="el" href="group__compression__wrapper.html#gac218acbb5e4b319304fc74e5448a2214">cr_CompressionType</a> compression_type, <a class="el" href="group__checksum.html#ga36a5d391d81917afca751eb71514f2cf">cr_ChecksumType</a> checksum_type, int delsrc, GError **err)</td></tr>
<tr class="separator:ga0b2998f915c4354fa4689ebf2b59bd12"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga1130b825ed5d9a40cbad5120e0f6d8c0"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__threads.html#ga1130b825ed5d9a40cbad5120e0f6d8c0">cr_compressiontask_free</a> (<a class="el" href="structcr___compression_task.html">cr_CompressionTask</a> *task, GError **err)</td></tr>
<tr class="separator:ga1130b825ed5d9a40cbad5120e0f6d8c0"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaa3e4b90ef408831b44bbd93c3b9e04b4"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__threads.html#gaa3e4b90ef408831b44bbd93c3b9e04b4">cr_compressing_thread</a> (gpointer data, gpointer user_data)</td></tr>
<tr class="separator:gaa3e4b90ef408831b44bbd93c3b9e04b4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga285e161887d250a5f8cd98af93d2ff60"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structcr___repomd_record_fill_task.html">cr_RepomdRecordFillTask</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__threads.html#ga285e161887d250a5f8cd98af93d2ff60">cr_repomdrecordfilltask_new</a> (<a class="el" href="structcr___repomd_record.html">cr_RepomdRecord</a> *record, <a class="el" href="group__checksum.html#ga36a5d391d81917afca751eb71514f2cf">cr_ChecksumType</a> checksum_type, GError **err)</td></tr>
<tr class="separator:ga285e161887d250a5f8cd98af93d2ff60"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gae55faf77725052d0d2ea91bd2dae272d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__threads.html#gae55faf77725052d0d2ea91bd2dae272d">cr_repomdrecordfilltask_free</a> (<a class="el" href="structcr___repomd_record_fill_task.html">cr_RepomdRecordFillTask</a> *task, GError **err)</td></tr>
<tr class="separator:gae55faf77725052d0d2ea91bd2dae272d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga90ed36889e6d93f9a2648b9ba765c152"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__threads.html#ga90ed36889e6d93f9a2648b9ba765c152">cr_repomd_record_fill_thread</a> (gpointer data, gpointer user_data)</td></tr>
<tr class="separator:ga90ed36889e6d93f9a2648b9ba765c152"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Paralelized compression example: </p>
<div class="fragment"><div class="line"><a class="code" href="structcr___compression_task.html">cr_CompressionTask</a> *task_1, *task_2;</div>
<div class="line">GThreadPool *pool;</div>
<div class="line"></div>
<div class="line"><span class="comment">// Prepare tasks</span></div>
<div class="line">task_1 = <a class="code" href="group__threads.html#ga0b2998f915c4354fa4689ebf2b59bd12">cr_compressiontask_new</a>(<span class="stringliteral">"foo"</span>, <span class="stringliteral">"foo.gz"</span>, <a class="code" href="group__compression__wrapper.html#ggac218acbb5e4b319304fc74e5448a2214af3691bf6cf44970764d8d4cb2f339a9a">CR_CW_GZ_COMPRESSION</a>, 1,</div>
<div class="line"> <a class="code" href="group__checksum.html#gga36a5d391d81917afca751eb71514f2cfaf295572a343c09092a0f1d18dc954b8f">CR_CHECKSUM_SHA256</a>, NULL);</div>
<div class="line">task_2 = <a class="code" href="group__threads.html#ga0b2998f915c4354fa4689ebf2b59bd12">cr_compressiontask_new</a>(<span class="stringliteral">"bar"</span>, <span class="stringliteral">"bar.gz"</span>, <a class="code" href="group__compression__wrapper.html#ggac218acbb5e4b319304fc74e5448a2214af3691bf6cf44970764d8d4cb2f339a9a">CR_CW_GZ_COMPRESSION</a>, 1,</div>
<div class="line"> <a class="code" href="group__checksum.html#gga36a5d391d81917afca751eb71514f2cfaa29895fbb702cb7feb9b4333f02e2e5d">CR_CHECKSUM_SHA512</a>, NULL);</div>
<div class="line"></div>
<div class="line"><span class="comment">// Create pool for tasks</span></div>
<div class="line">pool = g_thread_pool_new(<a class="code" href="group__threads.html#gaa3e4b90ef408831b44bbd93c3b9e04b4">cr_compressing_thread</a>, NULL, 2, FALSE, NULL);</div>
<div class="line"></div>
<div class="line"><span class="comment">// Push tasks to the pool</span></div>
<div class="line">g_thread_pool_push(pool, task_1, NULL);</div>
<div class="line">g_thread_pool_push(pool, task_2, NULL);</div>
<div class="line"></div>
<div class="line"><span class="comment">// Wait until both treats finish and free the pool.</span></div>
<div class="line">g_thread_pool_free(pool, FALSE, TRUE);</div>
<div class="line"></div>
<div class="line"><span class="comment">// Use results</span></div>
<div class="line"><span class="comment">// Do whatever you want or need to do</span></div>
<div class="line"></div>
<div class="line"><span class="comment">// Clean up</span></div>
<div class="line"><a class="code" href="group__threads.html#ga1130b825ed5d9a40cbad5120e0f6d8c0">cr_compressiontask_free</a>(task_1, NULL);</div>
<div class="line"><a class="code" href="group__threads.html#ga1130b825ed5d9a40cbad5120e0f6d8c0">cr_compressiontask_free</a>(task_2, NULL);</div>
</div><!-- fragment --> <h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="gaa3e4b90ef408831b44bbd93c3b9e04b4"></a>
<div class="memitem">
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<td class="memname">void cr_compressing_thread </td>
<td>(</td>
<td class="paramtype">gpointer </td>
<td class="paramname"><em>data</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">gpointer </td>
<td class="paramname"><em>user_data</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Function for GThreadPool. </p>
</div>
</div>
<a class="anchor" id="ga1130b825ed5d9a40cbad5120e0f6d8c0"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void cr_compressiontask_free </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structcr___compression_task.html">cr_CompressionTask</a> * </td>
<td class="paramname"><em>task</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">GError ** </td>
<td class="paramname"><em>err</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Frees <a class="el" href="structcr___compression_task.html">cr_CompressionTask</a> and all its components. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">task</td><td><a class="el" href="structcr___compression_task.html">cr_CompressionTask</a> task </td></tr>
<tr><td class="paramname">err</td><td>GError ** </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga0b2998f915c4354fa4689ebf2b59bd12"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="structcr___compression_task.html">cr_CompressionTask</a>* cr_compressiontask_new </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>src</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>dst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__compression__wrapper.html#gac218acbb5e4b319304fc74e5448a2214">cr_CompressionType</a> </td>
<td class="paramname"><em>compression_type</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__checksum.html#ga36a5d391d81917afca751eb71514f2cf">cr_ChecksumType</a> </td>
<td class="paramname"><em>checksum_type</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>delsrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">GError ** </td>
<td class="paramname"><em>err</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Function to prepare a new <a class="el" href="structcr___compression_task.html">cr_CompressionTask</a>. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">src</td><td>Source filename. </td></tr>
<tr><td class="paramname">dst</td><td>Destination filename or NULL (then src+compression suffix will be used). </td></tr>
<tr><td class="paramname">compression_type</td><td>Type of compression to use. </td></tr>
<tr><td class="paramname">checksum_type</td><td>Checksum type for stat calculation. Note: Stat is always use. If you don't need a stats use CR_CHECKSUM_UNKNOWN, then no checksum calculation will be performed, only size would be calculated. Don't be afraid, size calculation has almost no overhead. </td></tr>
<tr><td class="paramname">delsrc</td><td>Delete src after successuful compression. 0 = Do not delete, delete otherwise </td></tr>
<tr><td class="paramname">err</td><td>GError **. Note: This is a GError for the cr_compresiontask_new function. The GError that will be at created <a class="el" href="structcr___compression_task.html">cr_CompressionTask</a> is different. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>New <a class="el" href="structcr___compression_task.html">cr_CompressionTask</a>. </dd></dl>
</div>
</div>
<a class="anchor" id="ga90ed36889e6d93f9a2648b9ba765c152"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void cr_repomd_record_fill_thread </td>
<td>(</td>
<td class="paramtype">gpointer </td>
<td class="paramname"><em>data</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">gpointer </td>
<td class="paramname"><em>user_data</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Function for GThread Pool. </p>
</div>
</div>
<a class="anchor" id="gae55faf77725052d0d2ea91bd2dae272d"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void cr_repomdrecordfilltask_free </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structcr___repomd_record_fill_task.html">cr_RepomdRecordFillTask</a> * </td>
<td class="paramname"><em>task</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">GError ** </td>
<td class="paramname"><em>err</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Frees <a class="el" href="structcr___repomd_record_fill_task.html">cr_RepomdRecordFillTask</a> </p>
</div>
</div>
<a class="anchor" id="ga285e161887d250a5f8cd98af93d2ff60"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="structcr___repomd_record_fill_task.html">cr_RepomdRecordFillTask</a>* cr_repomdrecordfilltask_new </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structcr___repomd_record.html">cr_RepomdRecord</a> * </td>
<td class="paramname"><em>record</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__checksum.html#ga36a5d391d81917afca751eb71514f2cf">cr_ChecksumType</a> </td>
<td class="paramname"><em>checksum_type</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">GError ** </td>
<td class="paramname"><em>err</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Function to prepare a new <a class="el" href="structcr___repomd_record_fill_task.html">cr_RepomdRecordFillTask</a>. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">record</td><td><a class="el" href="structcr___repomd_record.html">cr_RepomdRecord</a>. </td></tr>
<tr><td class="paramname">checksum_type</td><td>Type of checksum. </td></tr>
<tr><td class="paramname">err</td><td>GError ** </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>New <a class="el" href="structcr___repomd_record_fill_task.html">cr_RepomdRecordFillTask</a>. </dd></dl>
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